Which Set of Shapes Comes Next?

Official explanation

Official Answer: B The correct answer is B. There are three rules that determine the next box: Rule 1: The last shape carries over. The final shape in each box becomes the first shape in the following box. Since the fifth box ends with an octagon, the next box must begin with an octagon. Rule 2: The total number of sides is always 10. The three shapes in every box have a combined total of 10 sides. In option B, the octagon has 8 sides and the remaining two shapes contribute 1 side each, maintaining the same total of 10. Rule 3: The shape with the most sides is shaded. In every box, the shape with the highest number of sides is shaded. Since the octagon has 8 sides, it must be the shaded shape in the next box. Only Option B satisfies all three rules. Community Explanations Small-Tailor6967: “The way I see it the last shape carries over to the first position in the next position. The colored shape is the one with the most vertices, therefore I pick B because the octagon carries over and the octagon has the most vertices (8).” ChaosRealigning: “The next in sequence is B. The last shape in a box is the first shape in the following box, and the shape with the most sides in each box is shaded.” vexedthespian: “It’s B. The shape on the left is the first shape of the next group, and the shape with the most sides of all three is shaded.” Thanks to everyone who shared their answers and reasoning. Several different patterns were suggested, but applying all three rules consistently leaves B as the only solution.